2015MNRAS.453.4089S

Query : 2015MNRAS.453.4089S

2015MNRAS.453.4089S - Mon. Not. R. Astron. Soc., 453, 4089-4096 (2015/November-2)

Tides alone cannot explain Kepler planets close to 2:1 MMR.

SILBURT A. and REIN H.

Abstract (from CDS):

A number of Kepler planet pairs lie just wide of first-order mean motion resonances (MMRs). Tides have been frequently proposed to explain these pileups, but it is still an ongoing discussion. We contribute to this discussion by calculating an optimistic theoretical estimate on the minimum initial eccentricity required by Kepler planets to explain the current observed spacing, and complement these calculations with N-body simulations. In particular, we investigate 27 Kepler systems having planets within 6 percent of the 2:1 MMR, and find that the initial eccentricities required to explain the observed spacings are unreasonable from simple dynamical arguments. Furthermore, our numerical simulations reveal resonant tugging, an effect which conspires against the migration of resonant planets away from the 2:1 MMR, requiring even higher initial eccentricities in order to explain the current Kepler distribution. Overall, we find that tides alone cannot explain planets close to 2:1 MMR, and additional mechanisms are required to explain these systems.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): planets and satellites: dynamical evolution and stability - planets and satellites: formation - planets and satellites: general - planets and satellites: physical evolution

Simbad objects: 103

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Number of rows : 103
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Kepler-83 Er* 18 48 55.8020067360 +43 39 56.249582760       15.914   M0V 67 1
2 Kepler-83c Pl 18 48 55.8020067360 +43 39 56.249582760           ~ 30 1
3 Kepler-83b Pl 18 48 55.8020067360 +43 39 56.249582760           ~ 30 1
4 Kepler-83d Pl 18 48 55.8020067360 +43 39 56.249582760           ~ 27 0
5 Kepler-127c Pl 19 00 45.5887144320 +46 01 40.693626120           ~ 39 0
6 Kepler-127b Pl 19 00 45.5887144320 +46 01 40.693626120           ~ 32 0
7 Kepler-127d Pl 19 00 45.5887144320 +46 01 40.693626120           ~ 44 0
8 Kepler-127 Er* 19 00 45.5887144320 +46 01 40.693626120   12.231 11.627 11.415   G0 95 0
9 Kepler-30 Er* 19 01 08.0746104528 +38 56 50.218268856   16.50   15.767 14.55 ~ 180 1
10 Kepler-30b Pl 19 01 08.0746104528 +38 56 50.218268856           ~ 89 1
11 Kepler-30d Pl 19 01 08.0746104528 +38 56 50.218268856           ~ 71 1
12 Kepler-30c Pl 19 01 08.0746104528 +38 56 50.218268856           ~ 78 1
13 Kepler-9 Er* 19 02 17.7544327200 +38 24 03.176851896     13.9 13.791   G2 223 1
14 Kepler-9b Pl 19 02 17.7544327200 +38 24 03.176851896           ~ 121 1
15 Kepler-9c Pl 19 02 17.7544327200 +38 24 03.176851896           ~ 109 1
16 Kepler-9d Pl 19 02 17.7544327200 +38 24 03.176851896           ~ 61 1
17 Kepler-384c Pl 19 04 06.2625896880 +44 46 58.340479872           ~ 26 0
18 Kepler-384b Pl 19 04 06.2625896880 +44 46 58.340479872           ~ 31 0
19 Kepler-384 Er* 19 04 06.2625896880 +44 46 58.340479872   14.532 13.718 13.606   G0V 60 0
20 Kepler-25b Pl 19 06 33.2141354736 +39 29 16.358725104           ~ 75 1
21 Kepler-25c Pl 19 06 33.2141354736 +39 29 16.358725104           ~ 103 1
22 Kepler-25 Er* 19 06 33.2141354736 +39 29 16.358725104   11.337 10.623 10.622   F6 192 1
23 Kepler-25d Pl 19 06 33.2141354736 +39 29 16.358725104           ~ 12 0
24 Kepler-244b Pl 19 08 58.2403386624 +42 18 04.900346640           ~ 19 0
25 Kepler-244d Pl 19 08 58.2403386624 +42 18 04.900346640           ~ 23 0
26 Kepler-244c Pl 19 08 58.2403386624 +42 18 04.900346640           ~ 21 0
27 Kepler-244 Er* 19 08 58.2403386624 +42 18 04.900346640       15.146   ~ 56 0
28 Kepler-120c Pl 19 11 33.9904736832 +39 20 20.846880528           ~ 21 0
29 Kepler-120b Pl 19 11 33.9904736832 +39 20 20.846880528           ~ 26 0
30 Kepler-120 Er* 19 11 33.9904736832 +39 20 20.846880528       14.704   M0V 58 0
31 Kepler-386b Pl 19 19 26.1285900144 +48 41 37.838723568           ~ 17 0
32 Kepler-386 Er* 19 19 26.1285900144 +48 41 37.838723568   16.728 15.901 15.505   ~ 40 0
33 Kepler-386c Pl 19 19 26.1285900144 +48 41 37.838723568           ~ 19 0
34 Kepler-88c Pl 19 24 35.5430965488 +40 40 09.809893020           ~ 23 1
35 Kepler-88b Pl 19 24 35.5430965488 +40 40 09.809893020           ~ 68 1
36 Kepler-88 Er* 19 24 35.5430965488 +40 40 09.809893020   14.192 13.257 13.084   G8IV 101 1
37 Kepler-27b Pl 19 28 56.8196229816 +41 05 09.140476848           ~ 45 1
38 Kepler-27c Pl 19 28 56.8196229816 +41 05 09.140476848           ~ 45 1
39 Kepler-27 Er* 19 28 56.8196229816 +41 05 09.140476848   16.865 15.992 16.010   ~ 95 1
40 Kepler-327d Pl 19 30 34.1672429376 +44 05 15.563767632           ~ 27 0
41 Kepler-327c Pl 19 30 34.1672429376 +44 05 15.563767632           ~ 27 0
42 Kepler-327 Er* 19 30 34.1672429376 +44 05 15.563767632   17.246 15.756 15.113   M1V 65 0
43 Kepler-327b Pl 19 30 34.1672429376 +44 05 15.563767632           ~ 28 0
44 Kepler-183c Pl 19 34 07.3975885056 +39 18 57.224511108           ~ 26 0
45 Kepler-183b Pl 19 34 07.3975885056 +39 18 57.224511108           ~ 22 0
46 Kepler-183 Ro* 19 34 07.3975885056 +39 18 57.224511108           G2V 55 0
47 Kepler-81 Er* 19 34 32.8684643808 +42 49 29.761950396   16.636 15.536 14.858   M0V 83 1
48 Kepler-81c Pl 19 34 32.8684643808 +42 49 29.761950396           ~ 29 1
49 Kepler-81d Pl 19 34 32.8684643808 +42 49 29.761950396           ~ 21 0
50 Kepler-81b Pl 19 34 32.8684643808 +42 49 29.761950396           ~ 36 1
51 Kepler-57b Pl 19 34 33.9093923088 +44 39 25.358372136           ~ 34 1
52 Kepler-57c Pl 19 34 33.9093923088 +44 39 25.358372136           ~ 31 1
53 Kepler-57 Er* 19 34 33.9093923088 +44 39 25.358372136   16.019 15.035 14.860   ~ 78 1
54 Kepler-56b Pl 19 35 02.0011980936 +41 52 18.692360400           ~ 66 1
55 Kepler-56c Pl 19 35 02.0011980936 +41 52 18.692360400           ~ 51 1
56 Kepler-56 RG* 19 35 02.0011980936 +41 52 18.692360400   13.954 12.756 12.379   ~ 210 1
57 Kepler-326d Pl 19 37 18.1337949432 +46 00 08.063097696           ~ 22 0
58 Kepler-326b Pl 19 37 18.1337949432 +46 00 08.063097696           ~ 28 0
59 Kepler-326c Pl 19 37 18.1337949432 +46 00 08.063097696           ~ 24 0
60 Kepler-326 Er* 19 37 18.1337949432 +46 00 08.063097696   14.811 13.863 13.584   K1V 79 0
61 Kepler-176 Er* 19 38 40.3180039344 +43 51 11.758931640       14.633   ~ 74 0
62 Kepler-176c Pl 19 38 40.3180039344 +43 51 11.758931640           ~ 36 0
63 Kepler-176d Pl 19 38 40.3180039344 +43 51 11.758931640           ~ 34 0
64 Kepler-176b Pl 19 38 40.3180039344 +43 51 11.758931640           ~ 29 0
65 Kepler-328b Pl 19 43 14.2300387272 +40 00 30.634558164           ~ 17 0
66 Kepler-328 Ro* 19 43 14.2300387272 +40 00 30.634558164     15.79   15.00 ~ 36 0
67 Kepler-328c Pl 19 43 14.2300387272 +40 00 30.634558164           ~ 21 0
68 Kepler-396 Er* 19 44 31.8711622728 +48 58 38.563365252   12.832 12.032 11.828   G4 83 0
69 Kepler-396b Pl 19 44 31.8711622728 +48 58 38.563365252           ~ 40 0
70 Kepler-396c Pl 19 44 31.8711622728 +48 58 38.563365252           ~ 41 0
71 Kepler-221e Pl 19 46 37.1434561728 +46 50 06.841651128           ~ 30 0
72 Kepler-221 Er* 19 46 37.1434561728 +46 50 06.841651128   14.853 14.017 13.778   G5 97 0
73 Kepler-221c Pl 19 46 37.1434561728 +46 50 06.841651128           ~ 33 0
74 Kepler-221d Pl 19 46 37.1434561728 +46 50 06.841651128           ~ 31 0
75 Kepler-221b Pl 19 46 37.1434561728 +46 50 06.841651128           ~ 30 0
76 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 377 1
77 Kepler-32e Pl 19 51 22.1744302704 +46 34 27.390583380           ~ 32 0
78 Kepler-32c Pl 19 51 22.1744302704 +46 34 27.390583380           ~ 42 1
79 Kepler-32b Pl 19 51 22.1744302704 +46 34 27.390583380           ~ 44 1
80 Kepler-32d Pl 19 51 22.1744302704 +46 34 27.390583380           ~ 34 0
81 Kepler-32f Pl 19 51 22.1744302704 +46 34 27.390583380           ~ 31 0
82 Kepler-32 Er* 19 51 22.1744302704 +46 34 27.390583380       15.563   M1V 119 1
83 Kepler-272 Ro* 19 56 30.6090734448 +47 35 37.816201464           G6 56 0
84 Kepler-272b Pl 19 56 30.6090734448 +47 35 37.816201464           ~ 22 0
85 Kepler-272c Pl 19 56 30.6090734448 +47 35 37.816201464           ~ 25 0
86 Kepler-272d Pl 19 56 30.6090734448 +47 35 37.816201464           ~ 23 0
87 Kepler-48c Pl 19 56 33.4161659688 +40 56 56.496876216           ~ 72 1
88 Kepler-48b Pl 19 56 33.4161659688 +40 56 56.496876216           ~ 58 1
89 Kepler-48d Pl 19 56 33.4161659688 +40 56 56.496876216           ~ 51 0
90 Kepler-48 Er* 19 56 33.4161659688 +40 56 56.496876216   14.253 13.331 13.054   K0V 123 1
91 Kepler-305 Er* 19 56 53.8365433512 +40 20 35.445181812       15.715   ~ 75 0
92 Kepler-305d Pl 19 56 53.8365433512 +40 20 35.445181812           ~ 32 0
93 Kepler-305b Pl 19 56 53.8365433512 +40 20 35.445181812           ~ 36 0
94 Kepler-305c Pl 19 56 53.8365433512 +40 20 35.445181812           ~ 30 0
95 Kepler-267d Pl 19 59 19.2924878040 +47 09 26.896687236           ~ 29 0
96 Kepler-267b Pl 19 59 19.2924878040 +47 09 26.896687236           ~ 30 0
97 Kepler-267 Er* 19 59 19.2924878040 +47 09 26.896687236           M1V 58 0
98 Kepler-267c Pl 19 59 19.2924878040 +47 09 26.896687236           ~ 25 0
99 Kepler-79d Pl 20 02 04.1057010912 +44 22 53.646047436           ~ 95 1
100 Kepler-79b Pl 20 02 04.1057010912 +44 22 53.646047436           ~ 58 1
101 Kepler-79 Er* 20 02 04.1057010912 +44 22 53.646047436   14.55 13.98 14.00   F5 136 1
102 Kepler-79c Pl 20 02 04.1057010912 +44 22 53.646047436           ~ 57 1
103 Kepler-79e Pl 20 02 04.1057010912 +44 22 53.646047436           ~ 52 1

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